rutenber



June 26, 1928.

E. A. RUTENBER ELECTRIC STOVE AND METHOD OF ASSEMBLING THE SAME FiledMay 28, 1924 '2 Sheets-Sheet 1 AllHllh lllllllll-llllllllliill INVENTORATTORNEY June. 26, 1928. 1,674,995

E. A. RUTENBER ELECTRIC STOVE AND METHOD OF ASSEMBLING THE SAME FiledMay 28, 1924 2 Sheets-Sheet Patented June 26, 1928.

TEns-TATES PA E T OFFICE.

nnwnv A. sUTENnnR, osmrLwaU rEs, wxsconsm, assrGNoR T a J. LINDEMANN aHOVERSON COMPANY-L OF MILWAUKEE, WISCONSIN, A conrona'rron'or' WISQON-ELECTRIC STOVE AND METHOD or ASSEMBLING' THE SAME.

Application filed Mayj28, 1924. Serial No. 716,334.

The improvements relateto the. construc- The trough shaped part'is=provided with a tion of electrically 0 erated ranges and slidingcoverA with. .its1-inturned edges en-' other heating and cab tingapparatus,- and. gagedhwith the =0utwardly turned upper their objectsare, among=others, to provide. ed%es-o f;the. said part-1., 6 means forthe quick, easy and accurate ase a n-the' outwardly and downwardly t dsemblage of theelectrical switches;:connec: pqrtioniQ ofithe bar--2,switch blocks are tions and conductors xaridatheiiiz' propenar-zsecured, preferably by .means of bolts 7 exran'gement with-.respecttothe rangeor the tending therethrough, and on these switch on likeandeach otherywithout necessitating blocks-aremounted switches 26,-with'c l the' employment of' skilled labor or-themakduotorwires .8:connected; .therewith,'-;for 1 ing ofan measurements-ore. calculations:in mg: and breaking the; electric circuits. On the' assem lingoperation; to simplify and the frame memberl connecting. blocks 9 a erender more efi'ectivethe construction-oflthe Secure h these'connectingblocks on parts and their manipulationunder all-no'rte}unitS%10 are connected,- by: means of their mal:conditions'of'uscandgeneralllytoim downwardly depending prongs-11 which enprove theconstruction-and operation.- of said gage the jaws 120i the.blocks. pdevices-and reduce the cqstiof =manufacturea Any desirednumberofswitches may be The-improvements. are illustrated in the mounted-0 n 2.or he n ry accompanying drawingsreferredto herein, range there vwill beseven or more. Each in =which Figure l lis==a .sidez view of'- theSwitch is mounted on a block 5 of-insul'ating switch andwiringmembly-funit-ofian elecmaterial, ,and,.the blocks are secured in tricrange-adapted toi-the practicei of the proper position by theirconnection with the improvements; Figure' .2-'.isa:'side=.view ofdepending portion of the bar 2 and with-an 7i one-of the:-st'ovezitop:heating units. with angle,-bar- 13 ;atetheir lower, ends,the said 26 prongs for =connectingit with-the =electric angle-barbeingvinturn secured-to the frame conductorspFigure. 3. .-is al planview :of the of the stove in. any 'desiredimanner Of assembly unit showninFigure 1, with-a the seven witches shown-(Fig. 7) four-- heating unitindicated in.position thereon; preferably those at the leftcontrol theFigure 4 is aside elevation of=the.heating heating. units 10 of thestove top, while the unit shown in Figure 2 taken at-right anglesnextthree in succession control thetop oven, to the point .of view-ofthat figure;- Figure bottom oven and broiler (not shown). The 5 is anenlarged perspective of one of the particular arrangement however is notimconnecting blooks for connecting the heat.- portant. Ordinary-fusesockets 6 in the ing units with the'conductors, one..of vthe switchblocks,- connected with their respecprongs ofth'e unit being shown;inposition tive switches in any suitable manner provide therein; Figure 6is a-vertical: cross-section means for connecting them with servicesubstantiallyon the line H-of-Figurefi .wires, and the connecting wires8 provide looking' in tl'l61zdil9t5ti0ll ;indicated by the for theclosing of theelectric circuit through arrows in that figure;.Fi'gure;-7 is a View the-resistance material of-the heating units 0 ofone end of the connecting block-shown ori=other devices so-asto givehigh, low or in- Figure 5 with a portion of the-cover medium heat, underthe control of the plate-removed to. expose=the'interior; Figswitches.ure 8 is a-detail of 'one.of,the.c'o'nnecting In assembling the partsthe T-shaped 96 prongs of a. unitin;perspective-; and Figureframeis'first placed-in position one temp0 -9-is a. front view: of theswitcli assembly ona Arary frame or dummy ustove, and, the scalereducedpfrom Figures; and 3,5. switch -blocks bolted thereon. As theseIn carrying. out.-thfe invention a frame blocks and-their switches areall-alike, and composed of a. trough shaped-member land areinterchangeable the operator is not r 1 an angular bar; 2 extendingacross it with an quired to exercise any selection; but may 60overhanging shield 3,isfirst formed. These proceed to secure them inposition by W9 members are secured together; by suitable ing from oneend to the other or indiscrimi- :bolts or rivets,,and form a T-shapedframe. nately. After this-is done he W illn the stove is com lete.

present illustration-secure to the binding posts 14- of the first fourswitches the shorter wires, thesets oi shortest wires for the front topunits and the sets of the next longer wires for the rear units. to, donitlroutany measurement or calcula tion by observing the lengths of thewires, and securing them to each block in a predetermined orderaccording to their color. The wires are preferably colored, as red,white and green, at their ends, or maybe numbered or otherwise marked,and will be secured to the bintlihg posts of the switch blocks and tothe-connecting binders '0'f thebl'ocksfl in regular order; Thixs'the redwire will be connected to the post on the extremelefta'ofthefiistblolg'the white Wire to the ne'X'Q'and the green wiretothe'next, and thesanie' system will be $ollo\ved,' beginning with thenearest hinderi'n connectthrough The rearthereof, and tothe roperbinding postsotthesedeviees-,'the length of the wire. "in each-caseindieati'ng the device with which it is'to be connected; The-cover 4'may then be slid on -,-and -'the wiring of'the The connecting of theparts other 'thn'ntlros'e'eonnected with the. bliiiiks' 9-1 heirever; isaccomplished after the T-shaped f'rame h'a's'b'e'eh placed-in the frameer i-he'emgge. r v

'=I(- -'will-'Hnis*be seen-t at the entire assrmhling and wiringoperation-maybe erfonud by -misiailird labor, and b'ymie who has noknowledge-"(if the operation of the store a ndwithbb tany measnrenren tsor calculnrki'lrs 'e xcei'itsuch as can be in'atl'e with the eye.-'lh'e'hlb'tlts 9 H'vill be se'eu'red 'to the rr-mieh member 1 before thewiring is done, and as th'ese blocks areal-so interchangeable, th'e oerator 'req'nh'es no "knowledge of the operation (if "thestove:

The construction of'the'ron-neeting blocks 'SNsWif importance. Frachblock-consists of n housing: of fibre orether insulating matel 9"haying; a cbflefQE-Whe 'eover being Seaux-en to the hol or housing "tothe side of the 'lmni'e :inen lver' 1, by having a bolt 1G 'relssedthrong-hm l\ig 9"-'of-t=he'eover and a 'sleei-e 9'of' th'e boxzthil'thewtlirough the metal of the part 1. its outer end being seein-edmy a-"nnt. 16.

- [Fhe bole l'iollow blo'cle ha s slots 9 to "receinelheprongs er or'th'e heating unit, "and is'di vided-intoa series ofcompartments =bytransverse pertition's 92 "each eom m-tment 'havin'g therein"'spiri'ngcont-art ja'ws 12 "to i-eeeive tlie eohne'e tingprcng 1 L -These areformed of asingle pie'ce of spring centimeter inete'lfinon'irted onnnd'seci'ired'to an L-sha'ibetl mntludtora r m t7 bolted totlie insideof the block by the bolt 18 extending This he will be able I through thesaid arm and block wall and having nuts 19 and 19 on its outer threadedend. These bolts also serve as billdingposts to'j'rebeive the terminalsofith'e svires The heating unit 10 may be of any desired constructionand arrangement suitable for the purpose, antlthere'fcre isno't'ciescrlbed-in detail. A manner of arran ing the' msistanee wirestherein is indicated at '20, but any other desired form or arrangementmay be employed It will be seen that the invention herein described notonly improves the construction and:arrangeinent'ofithe switches, wiringand connections, but provides means -tOr:ca.i"r-y-ing out a method -=or:process of assembling and wiring-which efi'ects -a great saving inlabor and insures-accuracy; without. the employ ment of skilled orhighly intellige'ntlabor. fhus it-=will be'seen that ya "frame for-theparts isaprov ided which willreceive and hold in proper positionthe;swit0hes-,- wires and conne'etiohsandfacilitate-their proper ar;rungementand positioning --thereon, and that by first cutting 'the wiresinquantities of -d ifi'erent lengths, accordi-ng to their purpose andthepositionoftheparts with: which i they are to I be connected, andimarking them to indicate "their rrespective positions [and connections,i the workmen -enga'ged iin assembling 'the "stove are enabled to do thework without-any =measnrement-loresticular tion and by= follofwln a fewsimple instructions', the =understa'nfing- .ofi jw hich deas not involveany knowledge of'the mature I of: the device orits operation I he-=invention lOO thereto and connected therewith providing a 1- conduit forwires and also having portions for mountin thereon connections adaptedto recei ve the terminals- 0f heati ng: elements, said parts constitutinia-unit fortherecep 'tion and'suppontb'f t e otlier-dvicesspecitiedherein, r switches mounted -on the said first member and-"conneetingmembcrs [HOUIIUQ'ClOll the second member,- electric consaidhollow member,:said connecting mem- "bershavingwn'tmet devices forreceiving -the terminals of resistance devices for :g'enemting =h'eat,and other wir s :extending frcm the said switehesthro'ugh the-saidconduit to po'ints beyond-iihe fi'anie.

9,. A combination er devices-seek es that specified in claim 1 in whichall of the parts,

'necting members and extending-through excepting the heating devices andtheir terminals, are assembled and secured together to form a singleunit.

3. In combination with the parts specified in claim 1, a coverrem'ovably connected with the second frame member and covering theconduit and electric conductors therein.

4. The method of assembling the switches, conduits and connections forheating elements of an electric stove which consists in mounting a frametherefor in the frame of the stove, mounting thereon switches andconnections to receive terminals of the heating element, cuttinga set ofattenuated conductors in lengths corresponding with the distancesbetween the terminal connections and the switches controllin the same,markin g the said conductors to indicate the point of: attachment ofeach to its switch and connecting device, then connecting the saidconductors with their respective switches and connecting devicesaccording to the indications of their length and marking, by firstconnecting them to one, then running them through the frame and thenconnecting them to the other, substantially herein set forth.

Witness my hand this 13th day of May, 1924, at the city of Milwaukee, inthe county of Milwaukee State of Wisconsin.

EDWIN A. RUTENBER.

